Marvel Publishing, Inc. is a company conducting business as Marvel Comics. They produce comic books and related media. Marvel counts among its characters such well-known entities as Spider-Man, the Fantastic Four, the Hulk, Thor, Iron Man, Captain America, the X-Men (notably Wolverine), Daredevil, the Punisher, Ghost Rider, and others. The majority of Marvel's characters function in one single reality known as the Marvel Universe. Read more about Marvel Comics

DC Comics is one of the largest and most popular comic book and related media companies. It is the publishing division of DC Entertainment Inc, a subsidiary company of Warner Bros. Entertainment. DC Comics produces material featuring a hefty number of well-known characters, including Superman, Batman, Wonder Woman, the Flash, Green Lantern, Captain Marvel, Green Arrow, the Justice League and the rest of the DC Universe. Read more about DC Comics

Dark Horse Comics is the largest independent comic book publisher. They publish many licensed comics, including comics based on Star Wars, Buffy the Vampire Slayer, Aliens, and Who Wants to be a Superhero? Dark Horse also publishes creator owned comics such as Frank Miller's Sin City and 300, Mike Mignola's Hellboy, Stan Sakai's Usagi Yojimbo, Katsuhiro Otomo's Akira and Michael Chabon's The Escapist. Today, the comic division of the company flourishes despite no longer having their own universe of super heroes. Read more about Dark Horse Comics

Image Comics is a comic book publisher founded in 1992 by seven high-profile illustrators as a venue where creators could publish their material without giving up the copyrights to the characters they created. Along with DC, Marvel and Dark Horse, Image Comics is one of the four largest comic book publishers in America. Its best-known series include Spawn, Pitt, The Savage Dragon, Shadowhawk, Youngblood, Supreme, WildC.A.T.s, Gen¹³, Wetworks, Cyberforce, Witchblade, The Darkness, Invincible, the third volume of Teenage Mutant Ninja Turtles, and The Walking Dead. Read more about Image Comics

IDW Publishing, also known as Idea + Design Works, LLC and IDW, is a comic book company owned by IDT Corp founded in 1999. The company was initially known for horror comics such as 30 Days of Night, Dark Days and numerous others. Some of the most well-known writers and artists of horror comics, including Ashley Wood, Ben Templesmith and Steve Niles, have done work for IDW. The company also specializes in licensed properties, since they have acquired the rights to 24, Angel, CSI, Transformers, Star Trek, Dick Tracy, Doctor Who and G.I. Joe. Read more about IDW